diff --git a/misc/dev/docker-compose.autoconf.ui.misc.yml b/misc/dev/docker-compose.autoconf.ui.misc.yml
index 1c00a2f88..6aff67841 100644
--- a/misc/dev/docker-compose.autoconf.ui.misc.yml
+++ b/misc/dev/docker-compose.autoconf.ui.misc.yml
@@ -91,22 +91,20 @@ services:
     build:
       context: ../..
       dockerfile: ./src/ui/Dockerfile
-    command: python -m flask --app main:app run --host=0.0.0.0 --port=7000
+    command: python3 -m gunicorn --config gunicorn.conf.py --user ui --group ui --bind 0.0.0.0:7000 --reload --log-level debug
     depends_on:
       - bw-docker
     volumes:
       - ../../src/ui/src:/usr/share/bunkerweb/ui/src:ro
       - ../../src/ui/static:/usr/share/bunkerweb/ui/static:ro
       - ../../src/ui/templates:/usr/share/bunkerweb/ui/templates:ro
+      - ../../src/ui/gunicorn.conf.py:/usr/share/bunkerweb/ui/gunicorn.conf.py:ro
       - ../../src/ui/main.py:/usr/share/bunkerweb/ui/main.py:ro
       - ../../src/ui/utils.py:/usr/share/bunkerweb/ui/utils.py:ro
     environment:
       <<: *env
       ADMIN_USERNAME: "admin"
       ADMIN_PASSWORD: "P@ssw0rd"
-      FLASK_APP: "main.py"
-      FLASK_DEBUG: "1"
-      FLASK_ENV: "development"
     networks:
       bw-universe:
         aliases:
diff --git a/misc/dev/docker-compose.autoconf.ui.yml b/misc/dev/docker-compose.autoconf.ui.yml
index 3fff2af20..b510c7564 100644
--- a/misc/dev/docker-compose.autoconf.ui.yml
+++ b/misc/dev/docker-compose.autoconf.ui.yml
@@ -88,22 +88,20 @@ services:
     build:
       context: ../..
       dockerfile: ./src/ui/Dockerfile
-    command: python -m flask --app main:app run --host=0.0.0.0 --port=7000
+    command: python3 -m gunicorn --config gunicorn.conf.py --user ui --group ui --bind 0.0.0.0:7000 --reload --log-level debug
     depends_on:
       - bw-docker
     volumes:
       - ../../src/ui/src:/usr/share/bunkerweb/ui/src:ro
       - ../../src/ui/static:/usr/share/bunkerweb/ui/static:ro
       - ../../src/ui/templates:/usr/share/bunkerweb/ui/templates:ro
+      - ../../src/ui/gunicorn.conf.py:/usr/share/bunkerweb/ui/gunicorn.conf.py:ro
       - ../../src/ui/main.py:/usr/share/bunkerweb/ui/main.py:ro
       - ../../src/ui/utils.py:/usr/share/bunkerweb/ui/utils.py:ro
     environment:
       <<: *env
       ADMIN_USERNAME: "admin"
       ADMIN_PASSWORD: "P@ssw0rd"
-      FLASK_APP: "main.py"
-      FLASK_DEBUG: "1"
-      FLASK_ENV: "development"
     networks:
       bw-universe:
         aliases:
diff --git a/misc/dev/docker-compose.autoconf.wizard.yml b/misc/dev/docker-compose.autoconf.wizard.yml
index 17f62c75d..cb50397b0 100644
--- a/misc/dev/docker-compose.autoconf.wizard.yml
+++ b/misc/dev/docker-compose.autoconf.wizard.yml
@@ -88,20 +88,18 @@ services:
     build:
       context: ../..
       dockerfile: ./src/ui/Dockerfile
-    command: python -m flask --app main:app run --host=0.0.0.0 --port=7000
+    command: python3 -m gunicorn --config gunicorn.conf.py --user ui --group ui --bind 0.0.0.0:7000 --reload --log-level debug
     depends_on:
       - bw-docker
     volumes:
       - ../../src/ui/src:/usr/share/bunkerweb/ui/src:ro
       - ../../src/ui/static:/usr/share/bunkerweb/ui/static:ro
       - ../../src/ui/templates:/usr/share/bunkerweb/ui/templates:ro
+      - ../../src/ui/gunicorn.conf.py:/usr/share/bunkerweb/ui/gunicorn.conf.py:ro
       - ../../src/ui/main.py:/usr/share/bunkerweb/ui/main.py:ro
       - ../../src/ui/utils.py:/usr/share/bunkerweb/ui/utils.py:ro
     environment:
       <<: *env
-      FLASK_APP: "main.py"
-      FLASK_DEBUG: "1"
-      FLASK_ENV: "development"
     networks:
       bw-universe:
         aliases:
diff --git a/misc/dev/docker-compose.ui.misc.yml b/misc/dev/docker-compose.ui.misc.yml
index aef1e7d4d..26d37d99e 100644
--- a/misc/dev/docker-compose.ui.misc.yml
+++ b/misc/dev/docker-compose.ui.misc.yml
@@ -81,22 +81,20 @@ services:
     build:
       context: ../..
       dockerfile: ./src/ui/Dockerfile
-    command: python -m flask --app main:app run --host=0.0.0.0 --port=7000
+    command: python3 -m gunicorn --config gunicorn.conf.py --user ui --group ui --bind 0.0.0.0:7000 --reload --log-level debug
     depends_on:
       - bw-docker
     volumes:
       - ../../src/ui/src:/usr/share/bunkerweb/ui/src:ro
       - ../../src/ui/static:/usr/share/bunkerweb/ui/static:ro
       - ../../src/ui/templates:/usr/share/bunkerweb/ui/templates:ro
+      - ../../src/ui/gunicorn.conf.py:/usr/share/bunkerweb/ui/gunicorn.conf.py:ro
       - ../../src/ui/main.py:/usr/share/bunkerweb/ui/main.py:ro
       - ../../src/ui/utils.py:/usr/share/bunkerweb/ui/utils.py:ro
     environment:
       <<: *env
       ADMIN_USERNAME: "admin"
       ADMIN_PASSWORD: "P@ssw0rd"
-      FLASK_APP: "main.py"
-      FLASK_DEBUG: "1"
-      FLASK_ENV: "development"
     networks:
       bw-universe:
         aliases:
diff --git a/misc/dev/docker-compose.ui.yml b/misc/dev/docker-compose.ui.yml
index bff396569..9ca48a8ba 100644
--- a/misc/dev/docker-compose.ui.yml
+++ b/misc/dev/docker-compose.ui.yml
@@ -77,22 +77,20 @@ services:
     build:
       context: ../..
       dockerfile: ./src/ui/Dockerfile
-    command: python -m flask --app main:app run --host=0.0.0.0 --port=7000
+    command: python3 -m gunicorn --config gunicorn.conf.py --user ui --group ui --bind 0.0.0.0:7000 --reload --log-level debug
     depends_on:
       - bw-docker
     volumes:
       - ../../src/ui/src:/usr/share/bunkerweb/ui/src:ro
       - ../../src/ui/static:/usr/share/bunkerweb/ui/static:ro
       - ../../src/ui/templates:/usr/share/bunkerweb/ui/templates:ro
+      - ../../src/ui/gunicorn.conf.py:/usr/share/bunkerweb/ui/gunicorn.conf.py:ro
       - ../../src/ui/main.py:/usr/share/bunkerweb/ui/main.py:ro
       - ../../src/ui/utils.py:/usr/share/bunkerweb/ui/utils.py:ro
     environment:
       <<: *env
       ADMIN_USERNAME: "admin"
       ADMIN_PASSWORD: "P@ssw0rd"
-      FLASK_APP: "main.py"
-      FLASK_DEBUG: "1"
-      FLASK_ENV: "development"
     networks:
       bw-universe:
         aliases:
diff --git a/misc/dev/docker-compose.wizard.yml b/misc/dev/docker-compose.wizard.yml
index 42247e7a0..5f5f2e0db 100644
--- a/misc/dev/docker-compose.wizard.yml
+++ b/misc/dev/docker-compose.wizard.yml
@@ -72,20 +72,18 @@ services:
     build:
       context: ../..
       dockerfile: ./src/ui/Dockerfile
-    command: python -m flask --app main:app run --host=0.0.0.0 --port=7000
+    command: python3 -m gunicorn --config gunicorn.conf.py --user ui --group ui --bind 0.0.0.0:7000 --reload --log-level debug main:app
     depends_on:
       - bw-docker
     volumes:
       - ../../src/ui/src:/usr/share/bunkerweb/ui/src:ro
       - ../../src/ui/static:/usr/share/bunkerweb/ui/static:ro
       - ../../src/ui/templates:/usr/share/bunkerweb/ui/templates:ro
+      - ../../src/ui/gunicorn.conf.py:/usr/share/bunkerweb/ui/gunicorn.conf.py:ro
       - ../../src/ui/main.py:/usr/share/bunkerweb/ui/main.py:ro
       - ../../src/ui/utils.py:/usr/share/bunkerweb/ui/utils.py:ro
     environment:
       <<: *env
-      FLASK_APP: "main.py"
-      FLASK_DEBUG: "1"
-      FLASK_ENV: "development"
     networks:
       bw-universe:
         aliases: